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- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
Break out harness for 964 engine injector signals
Fits:
Porsche 964 - 1989 t 1994
10 x test lead for:
1. Ground
2. Injector cylinder 5
3. Injector cylinder 6
4. Injector cylinder 3
5. Injector cylinder 1
6. Injector cylinder 4
7. Injector cylinder 2
8. Common Injectors
9. Ground
10. Oil temp.
A valuable tool in every Porsche workshop.
Using our breakout harness you can easily take measurements and locate any faults.
All wires are marked indicating the specific function of each wire.
You remove the original connector and place our breakout harness back in between so that the entire electrical installation remains operational.
Comes with a detailed drawing showing function of each wire.
- As original colored wiring.
- Very high quality flex automotive grade wiring, ISO6722:2002 / DIN72551/6 / EEC directive 2000/53
- Gasoline, oil, battery acid, engine coolant resistant.
- High flex sleeving ,very resistant to solvents and free of halogen, Sulphur and phosphorous.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
964607016
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
911 Break Out Box - Not to be missed in every Porsche workshop
The 911 Break Out Box is a
professional-grade diagnostic tool for Porsche 911 and 930 models built from
1970 to 1989. By inserting the breakout harness between the original 14-pin
connector and the vehicle’s wiring, the electrical system remains fully
operational while you perform precise measurements and troubleshooting. Built
with superb, durable quality, this tool is designed for everyday workshop use.
Fits:
Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Porsche 911 1978-1983 3.0L / SC
Porsche 911 1984-1986 3.2L
Porsche 911 1987-1989 3.2L G50
Porsche 911 1975-1977 3.0L Turbo (930)
Porsche 911 1978-1989 3.3L Turbo (930)
What the Product Does
- Quick
Diagnostics: Allows easy access to electrical circuits without
disrupting the system.
- Safe
Testing: Features 4mm banana socket plugs for reliable voltage,
continuity, and resistance measurements.
- Built-in
Features: Includes an LED voltmeter for quick battery voltage checks
and an illuminated start button for controlled cranking or starting.
- Accurate
Mapping: Test connections correspond exactly to the original 14-pin
connector layout.
- Complete
Kit: Comes with ground lead and detailed wiring diagrams for
straightforward use.
The LED voltmeter lets you monitor battery
voltage at a glance.
Easily test and measure:
- Starter circuit
- Oil pressure & oil temperature
- Backup light
- Oil level sensor
- Sportomatic system
- RPM signal
- WUR (Warm-Up Regulator)
- Engine fan
- Alternator field current
Symptoms That Require a Break Out Box
- Intermittent starting or electrical faults not traceable by standard tools.
- Sensor or wiring issues causing irregular engine performance.
- ECU or relay miscommunication requiring deeper circuit access.
- Need to test voltage or signal continuity without removing components.
Common Reasons for Failure or Replacement
- Workshop
Wear: Connectors, pins, or sockets can wear out from heavy use.
- Damage:
Drops, bent contacts, or improper storage may affect accuracy.
- Aging
Tools: Older breakout boxes may not provide stable readings.
- Reliability Issues: A faulty or low-quality unit risks misdiagnosis.
Why Invest in One?
- Provides
accurate, safe diagnostics while keeping the car operational.
- Saves time by pinpointing wiring and sensor faults quickly.
- Prevents unnecessary replacement of expensive electrical parts.
- Essential for professional Porsche service shops and serious restorers.
- Ensures long-term reliability with a durable, workshop-ready design
Ideal For: Porsche 911/930 specialists, restorers, and workshops needing precise, repeatable electrical testing beyond standard OBD methods.